根据汉语句子完成英语句子：男孩子们因这次挑战而激动.
问题描述：
根据汉语句子完成英语句子：男孩子们因这次挑战而激动.
The boys _____ _____ ____this challenge.
答
The boys【 were excited by 】the challenge.
根据汉语句子完成英语句子：男孩子们因这次挑战而激动.
The boys _____ _____ ____this challenge.
The boys【 were excited by 】the challenge.